Resize an image without stretching it
Understand pixels, aspect ratio, and the difference between resizing and cropping.
2 min read · Open guideChoose defaults for supported calculators. You can mix a region, units and currency.
Changing units converts supported measurements. Changing currency relabels amounts; it does not exchange money. Tax rules, tariffs and broker rates remain your inputs.
Only these preferences are saved in this browser. Calculator inputs are not saved.Prepare a better file, one step at a time.
Resize, compress, crop and convert images locally, with a workflow that starts from the upload requirements.
Check the destination dimensions, accepted format and file-size limit.
Crop or resize first when dimensions need to change, then compress if necessary.
Inspect the downloaded output at its intended size before uploading it.
Compress photos to a target KB size with batch previews.
Open tool TransformResize a batch by width while keeping proportions.
Open tool TransformCrop to exact coordinates, rotate, and preview the result.
Open tool ConvertConvert JPEG, PNG, and WebP images in batches.
Open tool ConvertConvert iPhone HEIC photos to widely compatible JPGs.
Open tool OptimizeRemove empty transparent margins around logos and PNGs.
Open tool PrivacyCreate re-encoded image copies without original EXIF fields.
Open tool TransformAdd a text watermark to one image or a whole batch.
Open toolA square profile photo needs a square crop. Reducing file size alone will not fix an incorrect shape. Crop first, resize next, and compress last if needed.
Understand pixels, aspect ratio, and the difference between resizing and cropping.
2 min read · Open guideA practical workflow for balancing file size, dimensions, format, and readable detail.
2 min read · Open guideRe-encoding can change metadata, quality and color handling. Keep the original. Animated files and some HEIF variations are outside the supported scope.
How we explain methods and sources →